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PARKINSON AND COWAN LTD

Overview
  • Total Patents
    11
About

PARKINSON AND COWAN LTD has a total of 11 patent applications. Its first patent ever was published in 1954. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets thermal processes, mechanical elements and packaging and shipping are ANCIENS ETABLISSEMENTS LIOTARD, SHENZHEN YUANJIANG TECH CO LTD and LOETKOLBEN & LOETAPP FABRIK.

Patent filings in countries

World map showing PARKINSON AND COWAN LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 8
#2 Canada 2
#3 United States 1

Patent filings per year

Chart showing PARKINSON AND COWAN LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lusk Archibald 3
#2 Billett Aubrey John 3
#3 Martin Leonard L 1
#4 Pemberton Peter John 1
#5 Davies John Garfield 1
#6 Davies John G 1
#7 Sirkin Senia 1
#8 Randle George William 1
#9 Smith William Henry 1
#10 Sirkin Jekusel S 1

Latest patents

Publication Filing date Title
GB822631A Liquid fuel burners
GB825430A Needle type, fluid-control valves
GB806478A Improvements relating to containers for fluids
GB794361A Improvements in or relating to gaseous fuel control devices
US2871687A Blue flame wick burners for liquid fuel
GB784651A Improvements in grill pans
GB769886A An electrically insulating connector for gas supply pipes
GB805831A Improvements in or relating to blue flame wick burners for liquid fuel
GB804431A Improvements in or relating to sealing means for the doors of ovens and the like
CA567892A Blue flame wick burners for liquid fuel
CA556049A Domestic washing machines